code: def all_ids(self):
      condition = self.condition
      for docnum, v in enumerate(self.creader):
          if condition(v):
              yield docnum
  
file_path: whoosh/src/whoosh/query/qcolumns.py
imports: from whoosh.matching import ConstantScoreMatcher, NullMatcher, ReadTooFar
  from whoosh.query import Query
label_desc: Use image node_id 7 for calling the ColumnMatcher obj's underlying member method code with example usage: obj.all_ids() without return types